Syncom IV-3 (Leasat-3)
E1101351
UNEXPLORED
Syncom IV-3 (Leasat-3) was a commercial communications satellite in the Leasat series used primarily by the U.S. Navy for military communications in geosynchronous orbit.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Syncom IV-3 (Leasat-3) canonical | 3 |
| Syncom IV-3 (Leasat 3) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14418940 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Syncom IV-3 (Leasat-3) Context triple: [STS-51-I, retrievedSatellite, Syncom IV-3 (Leasat-3)]
-
A.
Syncom IV-4 (Leasat-4) communications satellite
Syncom IV-4 (Leasat-4) was a U.S. Navy leased communications satellite designed to provide secure military communications from geosynchronous orbit.
-
B.
Telstar 3C communications satellite
Telstar 3C was a commercial communications satellite launched in 1984 to provide telecommunications services, including television and data transmission, primarily over North America.
-
C.
Hughes Syncom communications satellites
The Hughes Syncom communications satellites were pioneering early geosynchronous communications satellites developed by Hughes Aircraft Company that helped demonstrate and establish the feasibility of global satellite communications.
-
D.
SBS-3 communications satellite
The SBS-3 communications satellite was a commercial geostationary communications spacecraft operated by Satellite Business Systems to provide telecommunications services in the early 1980s.
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E.
Anik C3 communications satellite
Anik C3 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services, launched into orbit in the early 1980s.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Syncom IV-3 (Leasat-3) Target entity description: Syncom IV-3 (Leasat-3) was a commercial communications satellite in the Leasat series used primarily by the U.S. Navy for military communications in geosynchronous orbit.
-
A.
Syncom IV-4 (Leasat-4) communications satellite
Syncom IV-4 (Leasat-4) was a U.S. Navy leased communications satellite designed to provide secure military communications from geosynchronous orbit.
-
B.
Telstar 3C communications satellite
Telstar 3C was a commercial communications satellite launched in 1984 to provide telecommunications services, including television and data transmission, primarily over North America.
-
C.
Hughes Syncom communications satellites
The Hughes Syncom communications satellites were pioneering early geosynchronous communications satellites developed by Hughes Aircraft Company that helped demonstrate and establish the feasibility of global satellite communications.
-
D.
SBS-3 communications satellite
The SBS-3 communications satellite was a commercial geostationary communications spacecraft operated by Satellite Business Systems to provide telecommunications services in the early 1980s.
-
E.
Anik C3 communications satellite
Anik C3 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services, launched into orbit in the early 1980s.
- F. None of above. chosen
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Space Shuttle mission STS-51-I
subject linked to:
Space Shuttle mission STS-51-I
linked to: Syncom IV-3 (Leasat-3)